/* Base styles */
body {
  font-family: 'Montserrat', sans-serif;
  background-color: #1A1A2E;
  color: #FFFFFF;
  margin: 0;
  padding: 0;
  text-align: center;
}

header, footer {
  background-color: #16213E;
  padding: 20px;
}

main {
  padding: 40px 20px;
}

input[type="text"],
input[type="url"],
input[type="email"],
input[type="tel"],
input[type="datetime-local"],
select {
  padding: 10px;
  width: 80%;
  max-width: 400px;
  margin-bottom: 20px;
  border: 2px solid #1A1A2E;
  border-radius: 5px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

select {
  width: 50%;
}

button {
  padding: 10px 20px;
  background-color: #EAEAEA;
  color: #1A1A2E;
  border: 2px solid #1A1A2E;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s ease;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

button:hover {
  background-color: #0F3460;
  color: #FFFFFF;
  transform: scale(1.05);
}

label {
  display: block;
  margin-top: 20px;
}

#qr-result {
  margin-top: 40px;
}

#qr-result canvas {
  max-width: 90%;
  height: auto !important;
  transition: transform 0.2s ease;
}

/* Color Picker */
.color-picker {
  position: absolute;
  z-index: 9999;
  display: none;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Icon Selector */
.icon-selector img {
  width: 50px;
  height: 50px;
  margin: 10px;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.3s ease;
}

.icon-selector img:hover {
  transform: scale(1.1);
  filter: brightness(1.2);
}

/* Navigation Menu */
.nav-menu {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.nav-menu li {
  display: inline;
}

.nav-menu a {
  color: #EAEAEA;
  text-decoration: none;
  font-weight: bold;
  background-color: #0F3460;
  padding: 10px 15px;
  border-radius: 5px;
  transition: background-color 0.3s, transform 0.2s ease, box-shadow 0.3s;
}

.nav-menu a:hover {
  background-color: #533483;
  transform: scale(1.05);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Header Container */
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.header-container h1 {
  margin: 0;
  font-size: 1.8em;
}

/* Responsive Design */
@media (max-width: 768px) {
  input[type="text"], input[type="url"], input[type="email"], input[type="tel"], input[type="datetime-local"], select {
    width: 90%;
  }

  .header-container {
    flex-direction: column;
    align-items: center;
  }
}